Immortality Institute Dedicated to education regarding the prospect of indefinite life extension technologies. Offers forum, chat, frequently asked questions, and articles of interest.
Apocalyptic Dreaming Interactive forum for thoughts, visions, and fears of the apocalpyse.
AHA Paradigm Project The AHA (Advanced Human All) is a mainly internet based community of scientists and researchers of all disciplines that work on a new synthetic paradigm as a foundation of future science, future communication and future community.
World Scenarios A community to discuss and vote for plausible humankind future scenarios. Features polls.
Flickr: Robots: Technology Pop Culture Share and discuss the latest tech news (gadgets, robotics, cyborging, futurism) or geek out on robots in pop culture media (film, anime, manga, comics).